| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | — |  | Unexplainable | Vox | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 6 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 2 | I | Ideas of India | Mercatus Center at George Mason University | |
| 8 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 9 | 3 |  | Discovery | BBC World Service | |
| 10 | 15 |  | Overheard at National Geographic | National Geographic | |
| 11 | 25 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 42 |  | The Quanta Podcast | Quanta Magazine | |
| 14 | 4 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 15 | 31 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 89 |  | Science Friday | Science Friday and WNYC Studios | |
| 17 | 7 |  | Science Weekly | The Guardian | |
| 18 | 10 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 20 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 21 | 20 |  | This Week in Cardiology | Medscape | |
| 22 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 7 | S | Sher Khan | Aaj Tak Radio | |
| 24 | 59 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 25 | 2 |  | You Are Not So Smart | You Are Not So Smart | |
| 26 | 77 |  | Curiosity Weekly | Discovery | |
| 27 | 6 |  | Short Wave | NPR | |
| 28 | 16 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 29 | 15 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 30 | 1 | B | Boring History for Sleep | Velvet | |
| 31 | 6 |  | All In The Mind | ABC | |
| 32 | 13 |  | More or Less | BBC Radio 4 | |
| 33 | — | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 34 | 18 | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 35 | 12 |  | Science Vs | Spotify Studios | |
| 36 | — |  | MinuteEarth | Minute Earth | |
| 37 | 17 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 38 | 16 |  | The world, the universe and us | New Scientist | |
| 39 | 22 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 40 | 33 | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 41 | — |  | The Water Data Podcast | WELL Labs | |
| 42 | — | T | tHEORetically Speaking | HealthEconomics.com | |
| 43 | 24 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 44 | — |  | Big Picture Science | Big Picture Science | |
| 45 | — |  | Buikbelang | MDL Fonds | |
| 46 | 13 |  | Babbage from The Economist | The Economist | |
| 47 | 133 |  | Living Planet | DW | |
| 48 | 16 |  | Curious Cases | BBC Radio 4 | |
| 49 | 23 |  | Life | Life | |
| 50 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 51 | — |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 52 | — | T | The Titanium Physicists Podcast | Brachiolope Media Network | |
| 53 | — |  | Evidence Based Podcasts in Paediatric Surgery | Hemanshoo Thakkar | |
| 54 | — |  | Sternengeschichten | Florian Freistetter | |
| 55 | — | P | PRS Journal Club | Plastic and Reconstructive Surgery | |
| 57 | — | N | Neurosurgery Podcast | Neurosurgery Podcast | |
| 58 | — | R | Raumzeit | Metaebene Personal Media - Tim Pritlove | |
| 59 | — |  | The Habitat | Gimlet | |
| 60 | — |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 61 | — | O | Orbital Path | PRX | |
| 62 | — | A | Arxiv Papers | Igor Melnyk | |
| 63 | — |  | Science ou Fiction | Futura | |
| 64 | — | H | How 2 rob a bank | Bia and Zoey | |
| 65 | — | P | Physics Frontiers | Jim Rantschler | |
| 66 | 35 |  | Physics World Weekly Podcast | Physics World | |
| 68 | 40 |  | Astrum Space | Astrum | |
| 69 | 34 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 70 | 31 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 71 | 23 | M | Motivational Podcast (In Hindi ) | Amit Gautam | |
| 73 | 12 |  | Instant Genius | Our Media | |
| 74 | 71 | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 77 | 30 |  | Flash Forward | Rose Eveleth | |
| 78 | 35 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 80 | 18 |  | Science In Action | BBC World Service | |
| 81 | 24 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 83 | 30 |  | Ask a Spaceman! | Paul M. Sutter | |
| 84 | 25 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 85 | 36 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 86 | 26 |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 87 | 37 |  | Critical Matters | Sound Physicians | |
| 88 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 89 | 34 |  | The NASS Podcast | North American Spine Society | |
| 90 | 34 |  | Tomorrow's Cure | Mayo Clinic | |
| 93 | 30 |  | MCAT Basics (from MedSchoolCoach) | MedSchoolCoach | |
| 94 | — | C | Climate Connections | Yale Center for Environmental Communication | |
| 95 | — |  | Climate Change | Yale School of Forestry | |
| 96 | 32 | W | World Resources Institute Podcasts Plus | WRI's Big Ideas Into Action podcast | |
| 97 | 32 | B | Biologic Therapy In Rheumatoid Arthritis | rhnews@elsevier.com (Rheumatology News International) | |
| 98 | — | H | Hiss & Tell: Cat Behavior and Beyond | Kristiina Wilson | |
| 99 | 33 | T | The Innovation and Diffusion Podcast | The Innovation and Diffusion Podcast | |
| 100 | 33 | B | Building Biotechs | Recruitomics Consulting | |
| 101 | — | S | Science Talk - Uni Göttingen | Georg-August-Universität Göttingen | |
| 102 | 34 | B | Bus Biology | Charlotte Stafford | |
| 103 | 34 | S | Science Straight Up | Judy Muller and George Lewis | |
| 104 | 29 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 105 | 53 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 106 | 34 | D | Discover More | Benoit Kim | |
| 108 | 38 |  | Nature Podcast | Springer Nature Limited | |
| 109 | 33 |  | CrowdScience | BBC World Service | |
| 110 | 26 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 112 | 24 |  | The Future of Everything | Stanford Engineering | |
| 115 | 14 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 117 | 32 |  | BrainStuff | iHeartPodcasts | |
